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Learn to draw a bear skull in top view, placing the sagittal crest and molar row with measured proportions and a clear labeling check.
This guide teaches a top-view bear skull drawing using a simple overhead proportion grid. You will place the sagittal crest along the midline, mark the molar row on each side, and verify spacing with arithmetic. The convention is explicit: x-height means baseline to midline of lowercase letters, and letter styles vary, so use the stated grid rather than matching a single universal shape. All measurements below are hypothetical examples; measure your own paper and tools before drawing.
Practice materials: Printable downloads are not available for this lesson yet. Use the instructions and four exercises below.
Work on plain paper at least 20 cm by 25 cm. Draw a light rectangle 16 cm wide and 20 cm tall. This rectangle is the skull outline boundary in top view. Mark the vertical midline and a horizontal line 6 cm from the top; these are your reference axes.
Divide the rectangle into four equal horizontal bands of 5 cm each. Label them A at the top through D at the bottom. The snout occupies band A, the eye region band B, the braincase band C, and the rear crest band D. These band heights are hypothetical examples chosen for easy arithmetic.
The sagittal crest runs along the midline from the rear edge of band D forward into band C. Draw it as a narrow raised ridge 1 cm wide at the rear, tapering to 0.5 cm where it meets the braincase. Keep it centered on the midline; a crest shifted 0.5 cm off center will look unbalanced in top view.
The molar row sits on each side of the snout in band A. Mark three molar centers per side at 2 cm, 3.5 cm, and 5 cm from the midline, so adjacent centers are 1.5 cm apart. The row length from the first to the last center is therefore 3 cm per side. Use the same spacing on both sides and measure from the midline outward, not from the outer edge.
Round the rear corners of band D and narrow band A to a blunt snout 6 cm wide. Keep the widest part of the skull in band C at 16 cm. These proportions are hypothetical examples; adjust only if your measured paper size requires it, and record any change.
Label the sagittal crest with a line to the midline ridge. Label the molar row on both sides with a bracket spanning the three molar marks. Add a scale note stating that 1 cm on the drawing equals 1 cm on the paper. Use lowercase x-height as the height of your labels: baseline to midline, not full letter height.
On a 16 cm by 20 cm rectangle, place a midline crest 6 cm long and three molar marks per side at 1.5 cm intervals starting 2 cm from the midline. State the row length and the distance from the midline to the last molar.
The crest runs 6 cm along the midline. Molar centers are at 2 cm, 3.5 cm, and 5 cm from the midline. The row length is 3.5 minus 2 plus 5 minus 3.5, which equals 3 cm. The last molar is 5 cm from the midline.
A skull rectangle is 14 cm wide and 18 cm tall. Divide the height into three equal bands. State each band height and the total of the three bands.
Each band is 6 cm tall, and the three bands total 18 cm.
Why: 18 divided by 3 equals 6. Adding 6 plus 6 plus 6 gives 18, matching the rectangle height.
Check: Measure each band with a ruler and add the three measured heights; the sum should equal 18 cm.
Molar centers are placed at 1.5 cm, 3 cm, and 4.5 cm from the midline. What is the row length, and what is the interval between adjacent molars?
The row length is 3 cm, and each interval is 1.5 cm.
Why: Subtract the first center from the last: 4.5 minus 1.5 equals 3 cm. Adjacent differences are 3 minus 1.5 equals 1.5 and 4.5 minus 3 equals 1.5.
Check: Measure the distance from the first to the last mark and confirm it is 3 cm; measure each gap and confirm 1.5 cm.
A crest is drawn 0.8 cm wide at the rear and 0.4 cm wide at the front. What is the width change, and what is the average of the two widths?
The width change is 0.4 cm, and the average width is 0.6 cm.
Why: 0.8 minus 0.4 equals 0.4 cm. The average is 0.8 plus 0.4, divided by 2, which equals 0.6 cm.
Check: Measure both widths, subtract the smaller from the larger, and average the two measurements.
A drawing uses a 1 cm to 1 cm scale. The drawn molar row is 2.5 cm long. If the scale were changed to 1 cm on the drawing equals 2 cm on the paper, what would the same row represent?
The row would represent 5 cm.
Why: Multiply the drawn length by the scale factor: 2.5 times 2 equals 5 cm.
Check: Re-measure the drawn row as 2.5 cm and multiply by the stated factor of 2; confirm the result is 5 cm.
X-height is the distance from the baseline to the midline of lowercase letters. Letter styles vary, so use this baseline-to-midline convention rather than copying one alphabet.
No. The 16 cm by 20 cm rectangle and 5 cm bands are hypothetical examples. Measure your paper and keep the arithmetic consistent.
Three molar marks per side are used here at 1.5 cm intervals, giving a 3 cm row. You may use a different count if you state it and keep spacing equal.
Yes. Any legible style is valid if the x-height convention is followed and labels point clearly to the crest and molar row.